Home / 18,400.32-25,392.43-10,016.82

Finding the Fourth Proportional to 18,400.32, 25,392.43 and 10,016.82

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Solution

The fourth proportional to 18,400.32, 25,392.43 and 10,016.82 is: 13,823.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.32 : 25,392.43 = 10,016.82 : x
  2. Step 2: Convert to fraction form
    18,400.32/25,392.43 = 10,016.82/x
  3. Step 3: Cross multiply
    18,400.32x = 25,392.43 × 10,016.82
  4. Step 4: Simplify right side
    18,400.32x = 254,351,400.67
  5. Step 5: Solve for x
    x = 254,351,400.67/18,400.32
  6. Step 6: Final answer
    x = 13,823.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.